21340772

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2917}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 39217920

約数和(自身を除く): 17877148

約数列:

[1, 2, 4, 31, 59, 62, 118, 124, 236, 1829, 2917, 3658, 5834, 7316, 11668, 90427, 172103, 180854, 344206, 361708, 688412, 5335193, 10670386, 21340772]

約数ペア:

[(1, 21340772), (2, 10670386), (4, 5335193), (31, 688412), (59, 361708), (62, 344206), (118, 180854), (124, 172103), (236, 90427), (1829, 11668), (2917, 7316), (3658, 5834)]